If you still can't get it to boot normally, bring it to a TMobile store. It's their update that caused it, so it's a liability issue, not a warranty issue. (I had AT&T replace a 2-year-old phone for that.) If they can't help you, ask for the tech support number at TMobile. If you want to try fixing it yourself, see https://besttechexpert.guide/

About ZWO

ZWO company is your first choice for advanced astrophotography equipment. Our philosophy is keep a long lasting partnership with our customers and help them to realize their imaging projects.Learn about the history of ZWO and explore our company milestones over the years on page Company Timeline.If you have any questions please feel free to Contact Us.